Yopal
Oil-rich Yopal reaches 194,079 people, but its utility still loses 52% of water and covers only 83% of costs, turning boomtown growth into a lungfish economy.
Yopal is what a resource boom looks like when pipes lose to politics. The capital of Casanare now has 194,079 residents, up sharply from the older GeoNames baseline of 168,433, and it operates as the service capital of one of Colombia's main hydrocarbon departments. Casanare still produced 112,852 barrels per day in 2025, equal to 15.15 percent of national oil output. Yet the city's most persistent story is not oil wealth but water failure.
The break point came in May 2011, when the La Tablona treatment plant collapsed, followed by another pipeline failure in April 2012. Superservicios says the intervention of the municipal utility EAAAY began on 3 May 2013 after repeated failures in continuity and water quality. More than a decade later, the regulator's January 2024 diagnosis still found 218 critical issues. Revenues covered only 83 percent of costs, water losses were near 52 percent against a 30 percent ceiling, and the company still lacked a sewer master plan. In other words, Yopal built the hotels, offices, contractors, and traffic of an oil capital faster than the buried circulatory system that keeps a city alive.
That is the Wikipedia gap. Outsiders see a young boomtown on the Llanos. The harder truth is a city living off a rich extractive hinterland while its own metabolism remains brittle. Oil money accelerated surface growth and emergency fixes; it did not build a stable water system at the same speed. When utility governance lags behind the boom, the problem is not cosmetic. Emergency water schemes, stopgap works, and repeated interventions become part of the operating model.
Biologically, Yopal behaves like a lungfish. Lungfish survive by enduring swings between abundance and scarcity rather than eliminating them. Yopal does the civic version: resource allocation kept favoring boom-era expansion and patchwork responses, phase transitions turned infrastructure breakdown into citywide crisis, and credibility collapse followed when an oil capital still could not guarantee something as basic as potable water.
Yopal sits at the center of a department producing 112,852 barrels of oil per day, yet its intervened utility still loses about 52 percent of water before it reaches users.